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List of Japanese prefectures by area

For details of administrative divisions of Japan, see Prefectures of Japan.

This is the list of Japanese prefectures by area.

Prefectures of Japan ranked by area as of October 1, 2015

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Figures here are according to the official estimates of Japan.[1] Ranks are given by estimated areas. Undetermined areas here account for domestic boundary regions either in uncertainty or disputed among Japanese prefectures.

Rank Prefecture Japanese Estimated
Area
(km2)[2] 		Determined
Area
(km2)[3] 		Undetermined
Area
(km2)[4] 		Population Density
(/km2) 		Inhabitable Area[citation needed] Forest
Area
(%)[citation needed] 		Capital
(km2) Density
(/km2)
1 Hokkaido 北海道 83,424.31 83,424.31 5,381,733 64.51 22,372.86 240.55 63.8% Sapporo
2 Iwate 岩手県 15,275.01 15,275.01 1,279,863 83.77 3,714.01 344.53 74.9% Morioka
3 Fukushima 福島県 13,783.74 13,783.74 1,914,039 138.86 4,217.02 453.88 67.9% Fukushima
4 Nagano 長野県 13,561.56 13,104.29 457.27 2,098,804 154.76 3,225.52 650.69 75.5% Nagano
5 Niigata 新潟県 12,584.10 10,363.99 2,220.11 2,304,264 183.11 4,535.27 508.08 63.5% Niigata
6 Akita 秋田県 11,637.54 11,637.54 1,023,119 87.92 3,204.39 319.29 70.5% Akita
7 Gifu 岐阜県 10,621.29 9,768.57 852.72 2,031,903 191.30 2,211.13 918.94 79.0% Gifu
8 Aomori 青森県 9,645.59 9,645.59 1,308,265 135.63 3,229.50 405.10 63.8% Aomori
9 Yamagata 山形県 9,323.15 6,651.83 2,671.32 1,123,891 120.55 2,884.80 389.59 68.7% Yamagata
10 Kagoshima 鹿児島県 9,186.94 9,042.65 144.29 1,648,177 179.40 3,312.81 497.52 63.4% Kagoshima
11 Hiroshima 広島県 8,479.45 8,479.45 2,843,990 335.40 2,310.91 1,230.68 71.8% Hiroshima
12 Hyogo 兵庫県 8,400.96 8,400.96 5,534,800 658.83 2,782.95 1,988.82 66.7% Kobe
13 Shizuoka 静岡県 7,777.42 7,252.60 524.82 3,700,305 475.78 2,749.49 1,345.82 63.1% Shizuoka
14 Miyazaki 宮崎県 7,735.31 6,794.24 941.07 1,104,069 142.73 1,849.87 596.84 75.8% Miyazaki
15 Kumamoto 熊本県 7,409.35 7,272.41 136.94 1,786,170 241.07 2,796.13 638.80 60.4% Kumamoto
16 Miyagi 宮城県 7,282.22 6,858.62 423.60 2,333,899 320.49 3,154.83 739.79 55.9% Sendai
17 Okayama 岡山県 7,114.50 7,010.92 103.58 1,921,525 270.09 2,218.89 865.98 68.0% Okayama
18 Kochi 高知県 7,103.93 7,103.93 728,276 102.52 1,163.18 626.11 83.3% Kōchi
19 Shimane 島根県 6,708.24 6,708.24 694,352 103.51 1,298.92 534.56 77.5% Matsue
20 Tochigi 栃木県 6,408.09 6,408.09 1,974,255 308.09 2,982.76 661.89 53.2% Utsunomiya
21 Gunma 群馬県 6,362.28 6,362.28 1,973,115 310.13 2,279.36 865.64 63.8% Maebashi
22 Oita 大分県 6,340.71 5,100.28 1,240.43 1,166,338 183.94 1,798.91 648.36 70.6% Oita
23 Yamaguchi 山口県 6,112.30 6,112.30 1,404,729 229.82 1,706.74 823.05 71.6% Yamaguchi
24 Ibaraki 茨城県 6,097.06 6,097.06 2,916,976 478.42 3,974.86 733.86 31.0% Mito
25 Mie 三重県 5,774.40 5,758.66 15.74 1,815,865 314.47 2,059.17 881.84 64.3% Tsu
26 Ehime 愛媛県 5,676.11 5,676.11 1,385,262 244.05 1,673.14 827.94 70.3% Matsuyama
27 Aichi 愛知県 5,172.48 5,123.48 49.00 7,483,128 1,446.72 2,987.77 2,504.59 42.2% Nagoya
28 Chiba 千葉県 5,157.65 5,082.90 74.75 6,222,666 1,206.49 3,554.37 1,750.71 30.4% Chiba
29 Fukuoka 福岡県 4,986.40 4,854.20 132.20 5,101,556 1,023.09 2,761.41 1,847.45 44.5% Fukuoka
30 Wakayama 和歌山県 4,724.69 4,724.69 963,579 203.95 1,115.11 864.11 76.4% Wakayama
31 Kyoto 京都府 4,612.19 4,612.19 2,610,353 565.97 1,173.81 2,223.83 74.2% Kyoto
32 Yamanashi 山梨県 4,465.27 4,253.95 211.32 834,930 186.98 954.38 874.84 77.8% Kōfu
33 Toyama 富山県 4,247.61 2,045.94 2,201.67 1,066,328 251.04 1,842.82 578.64 56.6% Toyama
34 Fukui 福井県 4,190.49 4,190.49 786,740 187.74 1,077.27 730.31 73.9% Fukui
35 Ishikawa 石川県 4,186.09 4,186.09 1,154,008 275.68 1,391.86 829.11 66.0% Kanazawa
36 Tokushima 徳島県 4,146.65 4,146.65 755,733 182.25 1,010.20 748.10 75.2% Tokushima
37 Nagasaki 長崎県 4,132.09 4,132.09 1,377,187 333.29 1,676.17 821.63 58.4% Nagasaki
38 Shiga 滋賀県 4,017.38 3,766.99 250.39 1,412,916 351.70 1,307.26 1,080.82 50.5% Ōtsu
39 Saitama 埼玉県 3,797.75 3,767.62 30.13 7,266,534 1,913.38 2,584.64 2,811.43 31.9% Saitama
40 Nara 奈良県 3,690.94 3,690.94 1,364,316 369.64 855.53 1,863.70 76.8% Nara
41 Tottori 鳥取県 3,507.05 3,507.05 573,441 163.51 900.75 636.63 73.3% Tottori
42 Saga 佐賀県 2,440.68 2,440.68 832,832 341.23 1,335.61 623.56 45.2% Saga
43 Kanagawa 神奈川県 2,415.83 2,415.83 9,126,214 3,777.67 1,470.59 6,205.82 38.8% Yokohama
44 Okinawa 沖縄県 2,281.12 2,281.12 1,433,566 628.45 1,169.16 1,226.15 46.1% Naha
45 Tokyo 東京都 2,190.93 2,106.23 84.70 13,515,271 6,168.74 1,418.40 9,528.53 34.8% Tokyo
46 Osaka 大阪府 1,905.14 1,905.14 8,839,469 4,639.80 1,330.58 6,643.32 30.1% Osaka
47 Kagawa 香川県 1,876.72 1,862.50 14.22 976,263 520.20 1,005.54 970.88 46.4% Takamatsu
Japan 日本国 377,970.75 365,190.44 12,780.27 127,094,745 336.26 122,630.69 1,036.40 64.6% Tokyo

Prefectures of Japan ranked by area as of January 1, 1883

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Native registered (本籍, honseki) population for January 1, 1883 was calculated based on information of family registries (戸籍, koseki).[5] Areas were calculated based on maps drawn by Inō Tadataka.[6] Ranks are given by estimated areas.

Rank Prefectures Japanese Estimated

Area
(hōri)[7]

Estimated

Area
(km2)

honseki

Population

Density

(/km2)

1 Sapporo-ken[8] 札幌県 3,245.51 50,057.03 61,144 1.22
2 Nemuro-ken[8] 根室県 2,335.28 36,018.12 5,642 0.16
3 Kagoshima-ken[9] 鹿児島県 1,089.65 16,806.19 1,291,586 76.85
4 Iwate-ken 岩手県 899.19 13,868.63 611,735 44.11
5 Fukushima-ken 福島県 884.33 13,639.44 840,241 61.60
6 Nagano-ken 長野県 853.76 13,167.94 1,033,969 78.52
7 Niigata-ken 新潟県 786.33 12,127.94 1,586,599 130.82
8 Akita-ken 秋田県 754.00 11,629.30 633,203 54.45
9 Gifu-ken 岐阜県 671.45 10,356.09 868,333 83.85
10 Aomori-ken 青森県 607.03 9,362.51 488,505 52.18
11 Yamagata-ken 山形県 600.15 9,256.40 695,533 75.14
12 Hyōgo-ken 兵庫県 556.68 8,585.94 1,433,355 166.94
13 Miyagi-ken 宮城県 540.79 8,340.86 633,194 75.91
14 Ishikawa-ken[10] 石川県 537.13 8,284.41 1,428,073 172.38
15 Hiroshima-ken 広島県 520.78 8,032.24 1,252,811 155.97
16 Hakodate-ken[8] 函館県 514.57 7,936.46 117,063 14.75
17 Shizuoka-ken 静岡県 503.82 7,770.65 985,881 126.87
18 Kumamoto-ken 熊本県 465.47 7,179.16 997,830 138.99
19 Kōchi-ken 高知県 454.72 7,013.36 549,184 78.31
20 Ehime-ken[11] 愛媛県 454.67 7,012.59 1,491,614 212.71
21 Shimane-ken 島根県 435.82 6,721.86 674,984 100.42
22 Okayama-ken 岡山県 420.98 6,492.97 1,029,567 158.57
23 Tochigi-ken 栃木県 411.77 6,350.92 609,000 95.89
24 Gunma-ken 群馬県 407.25 6,281.21 613,410 97.66
25 Ōita-ken 大分県 402.73 6,211.49 746,411 120.17
26 Nagasaki-ken[12] 長崎県 395.23 6,095.82 1,212,157 198.85
27 Yamaguchi-ken 山口県 389.99 6,015.00 897,370 149.19
28 Ibaraki-ken 茨城県 385.16 5,940.50 920,876 155.02
29 Mie-ken 三重県 368.55 5,684.32 870,137 153.08
30 Chiba-ken 千葉県 326.45 5,034.99 1,124,085 223.25
31 Fukuoka-ken 福岡県 317.81 4,901.73 1,128,289 230.18
32 Ōsaka-fu[13] 大阪府 317.14 4,891.40 1,585,696 324.18
33 Aichi-ken 愛知県 312.78 4,824.15 1,354,996 280.88
34 Wakayama-ken 和歌山県 310.62 4,790.84 610,182 127.36
35 Kyōto-fu 京都府 296.55 4,573.83 840,951 183.86
36 Yamanashi-ken 山梨県 289.85 4,470.49 410,246 91.77
37 Fukui-ken 福井県 272.40 4,201.35 582,210 138.58
38 Tokushima-ken 徳島県 271.28 4,184.08 649,616 155.26
39 Saitama-ken 埼玉県 265.84 4,100.18 970,598 236.72
40 Shiga-ken 滋賀県 258.44 3,986.04 639,961 160.55
41 Kanagawa-ken[14] 神奈川県 229.17 3,534.60 800,925 226.60
42 Tottori-ken 鳥取県 224.16 3,457.33 379,747 109.84
43 Okinawa-ken 沖縄県 156.91 2,420.10 360,770 149.07
44 Tōkyō-fu[14] 東京府 52.32 806.96 999,623 1,238.76
Japan 日本国 24,794.51 382,417.41 37,017,302 96.80

See also

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References and notes

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  1. ^ Population estimates for October 1, 2015 are according to those reported by the Statistics Bureau of Japan. Area estimates for October 1, 2015 are according to those reported by the Geographical Survey Institute of Japan. See Area of Japanese Prefectures as of October 1, 2015 and Outline of the System of Social and Demographic Statistics of Japan.(in Japanese)
  2. ^ Expediential values estimated by the Statistics Bureau, Ministry of Internal Affairs and Communications, because of the uncertainty of boundaries.
  3. ^ Excludes undetermined (i.e. uncertain or disputed) areas.
  4. ^ The sum of prefectural undetermined areas for each prefecture doubles the total prefectural undetermined areas in Japan.
  5. ^ According to Japan Household Tables for January 1, Meiji 16 (1883). See Digital Library at the National Diet Library of Japan[permanent dead link‍]
  6. ^ According to the 2nd Statistical Yearbook of the Empire of Japan (1883).
  7. ^ 1 square ri (方里, hōri) = 15.4234711 km2.
  8. ^ a b c Three prefectures of Sapporo-, Hakodate- and Nemuro-ken were united to Hokkaidō-chō (Hokkaidō Agency) on January 26, 1886.
  9. ^ Includes present-day Miyazaki-ken split from Kagoshima-ken on May 9, 1883.
  10. ^ Includes present-day Toyama-ken split from Ishikawa-ken on May 9, 1883.
  11. ^ Includes present-day Kagawa-ken split from Ehime-ken on December 3, 1888.
  12. ^ Includes present-day Saga-ken split from Nagasaki-ken on May 9, 1883.
  13. ^ Includes Nara-ken split from Ōsaka-fu on November 4, 1887.
  14. ^ a b Kanagawa-ken includes Three districts of Tama relegated from Kanagawa-ken to Tōkyō-fu on April 1, 1893.
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